Protective case



FIG. 1 is a perspective view of the protective case in a closed, retracted position;

FIG. 2 is a perspective view of the protective case in an open position;

FIG. 3 is a perspective view of the protective case in an open, extended position;

FIG. 4 is a top view of the protective case in the closed, retracted position;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof, where the back view is identical to the front view;

FIG. 7 is a right view thereof, where the left view is identical to the right view;

FIG. 8 is a top view of the protective case in the closed, extended position;

FIG. 9 is a bottom view thereof;

FIG. 10 is a front view thereof, where the back view is identical to the front view; and,

FIG. 11 is a right view thereof, where the left view is identical to the right view.

The broken lines showing a retractable magnifier depict environmental subject matter that forms no part of the claimed design. All other broken lines depict portions of the protective case that do not form part of the claimed design. 

CLAIM The ornamental design for a protective case, as shown and described. 